Pettibone, S.Worley & BracherRelief shown by hachures and spot heights. Cadastral map. Includes ill. of the Detroit Obervatory on lower portion of map. "Engd. by Worley & Bracher." Map shows six city wards, township sections, lot boundaries, buildings and other cultural features, and sections of land annexed by the city. Chronological list of additions provided. 1 map:; 115 x 191 cm.JPEGc0b81609-f233-4004-a5de-6e86ebdace1eengPublicCity of Ann Arbor, Washtenaw Coty. Michigan; surveyed & published by S. Pettibone.; City of Ann Arbor, Washtenaw County MichiganMapsMichigan--Ann ArborMichigan1869University of Michigan